Home / 334,075.50-501,103.53-123,708.78

Finding the Fourth Proportional to 334,075.50, 501,103.53 and 123,708.78

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Solution

The fourth proportional to 334,075.50, 501,103.53 and 123,708.78 is: 185,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,075.50 : 501,103.53 = 123,708.78 : x
  2. Step 2: Convert to fraction form
    334,075.50/501,103.53 = 123,708.78/x
  3. Step 3: Cross multiply
    334,075.50x = 501,103.53 × 123,708.78
  4. Step 4: Simplify right side
    334,075.50x = 61,990,906,349.99
  5. Step 5: Solve for x
    x = 61,990,906,349.99/334,075.50
  6. Step 6: Final answer
    x = 185,559.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.